DIABETIC RETINOPATHY LESION TYPES AND DISTRIBUTION ON ULTRAWIDE FIELD IMAGING AND THE RISK OF DISEASE WORSENING OVER...

Area of Science:

• Ophthalmology
• Medical Imaging
• Diabetic Complications

Background:

• Diabetic retinopathy (DR) is a leading cause of vision loss in diabetic patients.
• Early detection and risk stratification are crucial for managing DR progression.
• Standard imaging methods may not capture the full extent of DR lesions.

Purpose of the Study:

• To assess the impact of DR lesion type, severity, and distribution on disease worsening.
• To evaluate the prognostic value of ultrawide field (UWF) imaging in DR.
• To compare UWF-color and UWF-fluorescein angiography for DR risk assessment.

Main Methods:

• Post hoc analysis of 544 eyes with nonproliferative DR.
• Utilized Early Treatment Diabetic Retinopathy Study (ETDRS) Diabetic Retinopathy Severity Scale.
• Assessed DR lesions using UWF-color and UWF-fluorescein angiography over 4 years.

Main Results:

• More severe DR lesions outside ETDRS fields increased worsening risk on UWF-color imaging.
• Hemorrhages, microaneurysms, IRMAs, and new vessels on UWF-fluorescein angiography significantly predicted worsening.
• UWF imaging identified more severe lesions and higher risk of DR progression.

Conclusions:

• UWF imaging features offer additional prognostic value for DR disease worsening.
• UWF-fluorescein angiography enhances identification of DR lesions and progression.
• Further research is needed to determine optimal UWF imaging risk assessment methods.